| //===-- Variable.h -----------------------------------------------*- C++-*-===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef liblldb_Variable_h_ |
| #define liblldb_Variable_h_ |
| |
| #include "lldb/Core/Mangled.h" |
| #include "lldb/Expression/DWARFExpression.h" |
| #include "lldb/Symbol/Declaration.h" |
| #include "lldb/Utility/CompletionRequest.h" |
| #include "lldb/Utility/RangeMap.h" |
| #include "lldb/Utility/UserID.h" |
| #include "lldb/lldb-enumerations.h" |
| #include "lldb/lldb-private.h" |
| #include <memory> |
| #include <vector> |
| |
| namespace lldb_private { |
| |
| class Variable : public UserID, public std::enable_shared_from_this<Variable> { |
| public: |
| typedef RangeVector<lldb::addr_t, lldb::addr_t> RangeList; |
| |
| // Constructors and Destructors |
| Variable(lldb::user_id_t uid, const char *name, |
| const char |
| *mangled, // The mangled or fully qualified name of the variable. |
| const lldb::SymbolFileTypeSP &symfile_type_sp, |
| lldb::ValueType scope, SymbolContextScope *owner_scope, |
| const RangeList &scope_range, Declaration *decl, |
| const DWARFExpression &location, bool external, bool artificial, |
| bool static_member = false); |
| |
| virtual ~Variable(); |
| |
| void Dump(Stream *s, bool show_context) const; |
| |
| bool DumpDeclaration(Stream *s, bool show_fullpaths, bool show_module); |
| |
| const Declaration &GetDeclaration() const { return m_declaration; } |
| |
| ConstString GetName() const; |
| |
| ConstString GetUnqualifiedName() const; |
| |
| SymbolContextScope *GetSymbolContextScope() const { return m_owner_scope; } |
| |
| // Since a variable can have a basename "i" and also a mangled named |
| // "_ZN12_GLOBAL__N_11iE" and a demangled mangled name "(anonymous |
| // namespace)::i", this function will allow a generic match function that can |
| // be called by commands and expression parsers to make sure we match |
| // anything we come across. |
| bool NameMatches(ConstString name) const; |
| |
| bool NameMatches(const RegularExpression ®ex) const; |
| |
| Type *GetType(); |
| |
| lldb::LanguageType GetLanguage() const; |
| |
| lldb::ValueType GetScope() const { return m_scope; } |
| |
| bool IsExternal() const { return m_external; } |
| |
| bool IsArtificial() const { return m_artificial; } |
| |
| bool IsStaticMember() const { return m_static_member; } |
| |
| DWARFExpression &LocationExpression() { return m_location; } |
| |
| const DWARFExpression &LocationExpression() const { return m_location; } |
| |
| bool DumpLocationForAddress(Stream *s, const Address &address); |
| |
| size_t MemorySize() const; |
| |
| void CalculateSymbolContext(SymbolContext *sc); |
| |
| bool IsInScope(StackFrame *frame); |
| |
| bool LocationIsValidForFrame(StackFrame *frame); |
| |
| bool LocationIsValidForAddress(const Address &address); |
| |
| bool GetLocationIsConstantValueData() const { return m_loc_is_const_data; } |
| |
| void SetLocationIsConstantValueData(bool b) { m_loc_is_const_data = b; } |
| |
| typedef size_t (*GetVariableCallback)(void *baton, const char *name, |
| VariableList &var_list); |
| |
| static Status GetValuesForVariableExpressionPath( |
| llvm::StringRef variable_expr_path, ExecutionContextScope *scope, |
| GetVariableCallback callback, void *baton, VariableList &variable_list, |
| ValueObjectList &valobj_list); |
| |
| static size_t AutoComplete(const ExecutionContext &exe_ctx, |
| CompletionRequest &request); |
| |
| CompilerDeclContext GetDeclContext(); |
| |
| CompilerDecl GetDecl(); |
| |
| protected: |
| ConstString m_name; // The basename of the variable (no namespaces) |
| Mangled m_mangled; // The mangled name of the variable |
| lldb::SymbolFileTypeSP m_symfile_type_sp; // The type pointer of the variable |
| // (int, struct, class, etc) |
| lldb::ValueType m_scope; // global, parameter, local |
| SymbolContextScope |
| *m_owner_scope; // The symbol file scope that this variable was defined in |
| RangeList m_scope_range; // The list of ranges inside the owner's scope where |
| // this variable is valid |
| Declaration m_declaration; // Declaration location for this item. |
| DWARFExpression m_location; // The location of this variable that can be fed |
| // to DWARFExpression::Evaluate() |
| uint8_t m_external : 1, // Visible outside the containing compile unit? |
| m_artificial : 1, // Non-zero if the variable is not explicitly declared |
| // in source |
| m_loc_is_const_data : 1, // The m_location expression contains the |
| // constant variable value data, not a DWARF |
| // location |
| m_static_member : 1; // Non-zero if variable is static member of a class |
| // or struct. |
| private: |
| Variable(const Variable &rhs) = delete; |
| Variable &operator=(const Variable &rhs) = delete; |
| }; |
| |
| } // namespace lldb_private |
| |
| #endif // liblldb_Variable_h_ |